The radius of a circle is 6 ft. Answer the parts below. Make sure that you use the correct units in your answers. If necessary, refer to the list of geometry formulas. (a) Find the exact circumference and area of the circle. Write your answers in terms of . Exact circumference: Exact area: (b) Approximate the circumference and area of the circle. To do the approximations, use the button on the ALEKS calculator and round your answers to the nearest hundredth. Approximate circumference: Approximate area: 6 ft ft ft ft X